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Finding the Fourth Proportional to 103,810.30, 155,657.85 and 41,410.30

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Solution

The fourth proportional to 103,810.30, 155,657.85 and 41,410.30 is: 62,092.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,810.30 : 155,657.85 = 41,410.30 : x
  2. Step 2: Convert to fraction form
    103,810.30/155,657.85 = 41,410.30/x
  3. Step 3: Cross multiply
    103,810.30x = 155,657.85 × 41,410.30
  4. Step 4: Simplify right side
    103,810.30x = 6,445,838,265.86
  5. Step 5: Solve for x
    x = 6,445,838,265.86/103,810.30
  6. Step 6: Final answer
    x = 62,092.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.